Merge branch 'master' into pr/949-yasser-handler-mapping

This commit is contained in:
slavisa-baeldung
2017-01-03 11:17:58 +01:00
648 changed files with 196857 additions and 4914 deletions

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### Relevant Articles:
- [Circular Dependencies in Spring](http://www.baeldung.com/circular-dependencies-in-spring)

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package com.baeldung.spring.web.config;
import com.baeldung.web.controller.handlermapping.ExampleTwoController;
import com.baeldung.web.controller.handlermapping.WelcomeController;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping;
import org.springframework.web.servlet.mvc.support.ControllerClassNameHandlerMapping;
import org.springframework.web.servlet.view.InternalResourceViewResolver;
@Configuration
public class BeanNameHandlerMappingConfig {
@Bean
public ViewResolver viewResolver() {
InternalResourceViewResolver viewResolver = new InternalResourceViewResolver();
viewResolver.setPrefix("/");
viewResolver.setSuffix(".jsp");
return viewResolver;
}
@Bean
public BeanNameUrlHandlerMapping controllerClassNameHandlerMapping() {
BeanNameUrlHandlerMapping beanNameUrlHandlerMapping = new BeanNameUrlHandlerMapping();
return beanNameUrlHandlerMapping;
}
@Bean(name="/welcomeBean")
public WelcomeController welcomeBean() {
WelcomeController welcome = new WelcomeController();
return welcome;
}
@Bean(name="/ex")
public ExampleTwoController exampleTwo() {
ExampleTwoController exampleTwo = new ExampleTwoController();
return exampleTwo;
}
}

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package com.baeldung.spring.web.config;
import com.baeldung.web.controller.handlermapping.ExampleTwoController;
import com.baeldung.web.controller.handlermapping.WelcomeController;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.mvc.support.ControllerClassNameHandlerMapping;
import org.springframework.web.servlet.view.InternalResourceViewResolver;
@Configuration
public class ControllerClassNameHandlerMappingConfig {
@Bean
public ViewResolver viewResolver() {
InternalResourceViewResolver viewResolver = new InternalResourceViewResolver();
viewResolver.setPrefix("/");
viewResolver.setSuffix(".jsp");
return viewResolver;
}
@Bean
public ControllerClassNameHandlerMapping controllerClassNameHandlerMapping() {
ControllerClassNameHandlerMapping controllerClassNameHandlerMapping = new ControllerClassNameHandlerMapping();
return controllerClassNameHandlerMapping;
}
@Bean
public WelcomeController welcome() {
WelcomeController welcome = new WelcomeController();
return welcome;
}
@Bean
public ExampleTwoController exampleTwo() {
ExampleTwoController exampleTwo = new ExampleTwoController();
return exampleTwo;
}
}

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package com.baeldung.spring.web.config;
import com.baeldung.web.controller.handlermapping.ExampleTwoController;
import com.baeldung.web.controller.handlermapping.WelcomeController;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.handler.SimpleUrlHandlerMapping;
import org.springframework.web.servlet.view.InternalResourceViewResolver;
import java.util.HashMap;
import java.util.Map;
@Configuration
public class SimpleUrlHandlerMappingConfig {
@Bean
public ViewResolver viewResolver() {
InternalResourceViewResolver viewResolver = new InternalResourceViewResolver();
viewResolver.setPrefix("/");
viewResolver.setSuffix(".jsp");
return viewResolver;
}
@Bean
public SimpleUrlHandlerMapping simpleUrlHandlerMapping() {
SimpleUrlHandlerMapping simpleUrlHandlerMapping = new SimpleUrlHandlerMapping();
Map<String, Object> urlMap = new HashMap<>();
urlMap.put("/simpleUrlWelcome", welcome());
urlMap.put("/exampleTwo", exampleTwo());
simpleUrlHandlerMapping.setUrlMap(urlMap);
return simpleUrlHandlerMapping;
}
@Bean
public WelcomeController welcome() {
WelcomeController welcome = new WelcomeController();
return welcome;
}
@Bean
public ExampleTwoController exampleTwo() {
ExampleTwoController exampleTwo = new ExampleTwoController();
return exampleTwo;
}
}

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package com.baeldung.web.controller.handlermapping;
import org.springframework.stereotype.Controller;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.AbstractController;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@Controller
public class ExampleTwoController extends AbstractController
{
@Override
protected ModelAndView handleRequestInternal(HttpServletRequest request,
HttpServletResponse response) throws Exception {
System.out.println("Inside ExampleTwo Controller");
ModelAndView model = new ModelAndView("exampleTwo");
return model;
}
}

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package com.baeldung.web.controller.handlermapping;
import org.springframework.stereotype.Controller;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.AbstractController;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@Controller
public class WelcomeController extends AbstractController
{
@Override
protected ModelAndView handleRequestInternal(HttpServletRequest request,
HttpServletResponse response) throws Exception {
System.out.println("Inside BeanNameMappingExampleOne Controller");
ModelAndView model = new ModelAndView("test");
return model;
}
}

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<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8" />
</head>
<body>
<form action="#" th:action="@{/message/processForm}" method="post">
Message: <input type="text" value="message" id="message" name="message"/>
<input type="submit" />
</form>
<span th:text="${message}" id="received"></span>
</body>
</html>

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### Relevant Articles:
- [Circular Dependencies in Spring](http://www.baeldung.com/circular-dependencies-in-spring)

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package com.baeldung.htmlunit;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import com.gargoylesoftware.htmlunit.WebClient;
import com.gargoylesoftware.htmlunit.html.HtmlPage;
public class HtmlUnitAndJUnitLiveTest {
private WebClient webClient;
@Before
public void init() throws Exception {
webClient = new WebClient();
}
@After
public void close() throws Exception {
webClient.close();
}
@Test
public void givenAClient_whenEnteringBaeldung_thenPageTitleIsOk() throws Exception {
webClient.getOptions().setThrowExceptionOnScriptError(false);
HtmlPage page = webClient.getPage("http://www.baeldung.com/");
Assert.assertEquals("Baeldung | Java, Spring and Web Development tutorials", page.getTitleText());
}
}

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package com.baeldung.htmlunit;
import java.io.IOException;
import java.net.MalformedURLException;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.web.WebAppConfiguration;
import org.springframework.test.web.servlet.htmlunit.MockMvcWebClientBuilder;
import org.springframework.web.context.WebApplicationContext;
import com.gargoylesoftware.htmlunit.FailingHttpStatusCodeException;
import com.gargoylesoftware.htmlunit.WebClient;
import com.gargoylesoftware.htmlunit.html.HtmlForm;
import com.gargoylesoftware.htmlunit.html.HtmlPage;
import com.gargoylesoftware.htmlunit.html.HtmlSubmitInput;
import com.gargoylesoftware.htmlunit.html.HtmlTextInput;
@RunWith(SpringJUnit4ClassRunner.class)
@WebAppConfiguration
@ContextConfiguration(classes = { TestConfig.class })
public class HtmlUnitAndSpringIntegrationTest {
@Autowired
private WebApplicationContext wac;
private WebClient webClient;
@Before
public void setup() {
webClient = MockMvcWebClientBuilder.webAppContextSetup(wac).build();
}
//
@Test
@Ignore("Related view message.html does not exist check MessageController")
public void givenAMessage_whenSent_thenItShows() throws FailingHttpStatusCodeException, MalformedURLException, IOException {
final String text = "Hello world!";
final HtmlPage page = webClient.getPage("http://localhost/message/showForm");
System.out.println(page.asXml());
final HtmlTextInput messageText = page.getHtmlElementById("message");
messageText.setValueAttribute(text);
final HtmlForm form = page.getForms().get(0);
final HtmlSubmitInput submit = form.getOneHtmlElementByAttribute("input", "type", "submit");
final HtmlPage newPage = submit.click();
final String receivedText = newPage.getHtmlElementById("received").getTextContent();
Assert.assertEquals(receivedText, text);
System.out.println(newPage.asXml());
}
@Test
public void givenAClient_whenEnteringBaeldung_thenPageTitleIsCorrect() throws Exception {
try (final WebClient client = new WebClient()) {
webClient.getOptions().setThrowExceptionOnScriptError(false);
final HtmlPage page = webClient.getPage("http://www.baeldung.com/");
Assert.assertEquals("Baeldung | Java, Spring and Web Development tutorials", page.getTitleText());
}
}
}

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package com.baeldung.htmlunit;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.web.WebAppConfiguration;
import org.springframework.test.web.servlet.htmlunit.MockMvcWebClientBuilder;
import org.springframework.web.context.WebApplicationContext;
import com.gargoylesoftware.htmlunit.WebClient;
import com.gargoylesoftware.htmlunit.html.HtmlForm;
import com.gargoylesoftware.htmlunit.html.HtmlPage;
import com.gargoylesoftware.htmlunit.html.HtmlSubmitInput;
import com.gargoylesoftware.htmlunit.html.HtmlTextInput;
@RunWith(SpringJUnit4ClassRunner.class)
@WebAppConfiguration
@ContextConfiguration(classes = { TestConfig.class })
public class HtmlUnitAndSpringLiveTest {
@Autowired
private WebApplicationContext wac;
private WebClient webClient;
@Before
public void setup() {
webClient = MockMvcWebClientBuilder.webAppContextSetup(wac).build();
}
@Test
public void givenAMessage_whenSent_thenItShows() throws Exception {
String text = "Hello world!";
HtmlPage page;
String url = "http://localhost/message/showForm";
page = webClient.getPage(url);
HtmlTextInput messageText = page.getHtmlElementById("message");
messageText.setValueAttribute(text);
HtmlForm form = page.getForms().get(0);
HtmlSubmitInput submit = form.getOneHtmlElementByAttribute("input", "type", "submit");
HtmlPage newPage = submit.click();
String receivedText = newPage.getHtmlElementById("received").getTextContent();
Assert.assertEquals(receivedText, text);
}
}

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package com.baeldung.htmlunit;
import org.junit.Assert;
import org.junit.Test;
import com.gargoylesoftware.htmlunit.WebClient;
import com.gargoylesoftware.htmlunit.html.HtmlPage;
public class HtmlUnitTest {
@Test
public void givenAClient_whenEnteringBaeldung_thenPageTitleIsCorrect() throws Exception {
try (final WebClient webClient = new WebClient()) {
webClient.getOptions().setThrowExceptionOnScriptError(false);
final HtmlPage page = webClient.getPage("http://www.baeldung.com/");
Assert.assertEquals("Baeldung | Java, Spring and Web Development tutorials", page.getTitleText());
}
}
}

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package com.baeldung.htmlunit;
import java.util.List;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import com.gargoylesoftware.htmlunit.WebClient;
import com.gargoylesoftware.htmlunit.html.HtmlAnchor;
import com.gargoylesoftware.htmlunit.html.HtmlHeading1;
import com.gargoylesoftware.htmlunit.html.HtmlPage;
public class HtmlUnitWebLiveScraping {
private WebClient webClient;
@Before
public void init() throws Exception {
webClient = new WebClient();
}
@After
public void close() throws Exception {
webClient.close();
}
@Test
public void givenBaeldungArchive_whenRetrievingArticle_thenHasH1() throws Exception {
webClient.getOptions().setCssEnabled(false);
webClient.getOptions().setJavaScriptEnabled(false);
final String url = "http://www.baeldung.com/full_archive";
final HtmlPage page = webClient.getPage(url);
final String xpath = "(//ul[@class='car-monthlisting']/li)[1]/a";
final HtmlAnchor latestPostLink = (HtmlAnchor) page.getByXPath(xpath).get(0);
final HtmlPage postPage = latestPostLink.click();
final List<HtmlHeading1> h1 = (List<HtmlHeading1>) postPage.getByXPath("//h1");
Assert.assertTrue(h1.size() > 0);
}
}

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package com.baeldung.htmlunit;
import java.util.List;
import com.gargoylesoftware.htmlunit.WebClient;
import com.gargoylesoftware.htmlunit.html.HtmlAnchor;
import com.gargoylesoftware.htmlunit.html.HtmlHeading1;
import com.gargoylesoftware.htmlunit.html.HtmlHeading2;
import com.gargoylesoftware.htmlunit.html.HtmlPage;
public class HtmlUnitWebScraping {
public static void main(final String[] args) throws Exception {
try (final WebClient webClient = new WebClient()) {
webClient.getOptions().setCssEnabled(false);
webClient.getOptions().setJavaScriptEnabled(false);
final HtmlPage page = webClient.getPage("http://www.baeldung.com/full_archive");
final HtmlAnchor latestPostLink = (HtmlAnchor) page.getByXPath("(//ul[@class='car-monthlisting']/li)[1]/a").get(0);
System.out.println("Entering: " + latestPostLink.getHrefAttribute());
final HtmlPage postPage = latestPostLink.click();
final HtmlHeading1 heading1 = (HtmlHeading1) postPage.getByXPath("//h1").get(0);
System.out.println("Title: " + heading1.getTextContent());
final List<HtmlHeading2> headings2 = (List<HtmlHeading2>) postPage.getByXPath("//h2");
final StringBuilder sb = new StringBuilder(heading1.getTextContent());
for (final HtmlHeading2 h2 : headings2) {
sb.append("\n").append(h2.getTextContent());
}
System.out.println(sb.toString());
}
}
}

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package com.baeldung.web.controller;
import com.baeldung.spring.web.config.BeanNameHandlerMappingConfig;
import com.baeldung.spring.web.config.SimpleUrlHandlerMappingConfig;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.MockitoAnnotations;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.web.WebAppConfiguration;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;
import org.springframework.web.context.WebApplicationContext;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.view;
@RunWith(SpringJUnit4ClassRunner.class)
@WebAppConfiguration
@ContextConfiguration(classes = BeanNameHandlerMappingConfig.class)
public class BeanNameMappingConfigTest {
@Autowired
private WebApplicationContext webAppContext;
private MockMvc mockMvc;
@Before
public void setup() {
MockitoAnnotations.initMocks(this);
mockMvc = MockMvcBuilders.webAppContextSetup(webAppContext).build();
}
@Test
public void whenBeanNameMapping_thenMappedOK() throws Exception {
mockMvc.perform(get("/welcomeBean")).andExpect(status().isOk()).andExpect(view().name("test")).andDo(print());
}
}

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package com.baeldung.web.controller;
import com.baeldung.spring.web.config.ControllerClassNameHandlerMappingConfig;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.MockitoAnnotations;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.web.WebAppConfiguration;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;
import org.springframework.web.context.WebApplicationContext;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
@RunWith(SpringJUnit4ClassRunner.class)
@WebAppConfiguration
@ContextConfiguration(classes = ControllerClassNameHandlerMappingConfig.class)
public class ControllerClassNameHandlerMappingTest {
@Autowired
private WebApplicationContext webAppContext;
private MockMvc mockMvc;
@Before
public void setup() {
MockitoAnnotations.initMocks(this);
mockMvc = MockMvcBuilders.webAppContextSetup(webAppContext).build();
}
@Test
public void whenControllerClassNameMapping_thenMappedOK() throws Exception {
mockMvc.perform(get("/welcome")).andExpect(status().isOk()).andExpect(view().name("test")).andDo(print());
}
}

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@@ -32,7 +32,7 @@ public class GreetControllerIntegrationTest {
private MockMvc mockMvc;
private static final String CONTENT_TYPE = "application/json";
private static final String CONTENT_TYPE = "application/json;charset=UTF-8";
@Before
public void setup() throws Exception {
@@ -41,7 +41,7 @@ public class GreetControllerIntegrationTest {
@Test
public void givenWAC_whenServletContext_thenItProvidesGreetController() {
ServletContext servletContext = wac.getServletContext();
final ServletContext servletContext = wac.getServletContext();
Assert.assertNotNull(servletContext);
Assert.assertTrue(servletContext instanceof MockServletContext);
Assert.assertNotNull(wac.getBean("greetController"));
@@ -54,7 +54,7 @@ public class GreetControllerIntegrationTest {
@Test
public void givenGreetURI_whenMockMVC_thenVerifyResponse() throws Exception {
MvcResult mvcResult = this.mockMvc.perform(MockMvcRequestBuilders.get("/greet")).andDo(print()).andExpect(MockMvcResultMatchers.status().isOk()).andExpect(MockMvcResultMatchers.jsonPath("$.message").value("Hello World!!!")).andReturn();
final MvcResult mvcResult = this.mockMvc.perform(MockMvcRequestBuilders.get("/greet")).andDo(print()).andExpect(MockMvcResultMatchers.status().isOk()).andExpect(MockMvcResultMatchers.jsonPath("$.message").value("Hello World!!!")).andReturn();
Assert.assertEquals(CONTENT_TYPE, mvcResult.getResponse().getContentType());
}

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public class GreetControllerUnitTest {
private MockMvc mockMvc;
private static final String CONTENT_TYPE = "application/json";
private static final String CONTENT_TYPE = "application/json;charset=UTF-8";
@Before
public void setup() {

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package com.baeldung.web.controller;
import com.baeldung.spring.web.config.SimpleUrlHandlerMappingConfig;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.MockitoAnnotations;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.web.WebAppConfiguration;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;
import org.springframework.web.context.WebApplicationContext;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.view;
@RunWith(SpringJUnit4ClassRunner.class)
@WebAppConfiguration
@ContextConfiguration(classes = SimpleUrlHandlerMappingConfig.class)
public class SimpleUrlMappingConfigTest {
@Autowired
private WebApplicationContext webAppContext;
private MockMvc mockMvc;
@Before
public void setup() {
MockitoAnnotations.initMocks(this);
mockMvc = MockMvcBuilders.webAppContextSetup(webAppContext).build();
}
@Test
public void whenSimpleUrlMapping_thenMappedOK() throws Exception {
mockMvc.perform(get("/simpleUrlWelcome")).andExpect(status().isOk()).andExpect(view().name("test")).andDo(print());
}
}